Method and system for automatic gain control with...

Details Method and system for automatic gain control with... Method and system for automatic gain control with...

2011-01-18

2011-01-18

Odom, Curtis B (Department: 2611)

Pulse or digital communications

Receivers

Automatic gain control

C455S127200, C341S139000

Reexamination Certificate

active

07873126

ABSTRACT:
The disclosure is directed to a mobile communication device that includes automatic gain control (AGC) circuitry. Every n samples of the broadcast signals, an energy estimate of the AGC output signal is used to calculate and update a gain control value. Instead of using all n samples occurring subsequent to a previous gain control value update, only a subset of those n samples are used. In particular the first half of the n samples may be discarded in the energy estimate calculation while only the second half of the n samples may be used.

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International Search Report and Written Opinion - PCT/US2007/065799, International Search Authority - European Patent Office - Sep. 3, 2007.
Speth, Michael et al., “Optimum Receiver Design for Wireless Broad-Band Systems Using OFDM, Part 1,” IEEE Transactions on Communications, vol. 47, No. 11, Nov., 1999, pp. 1668-1677.

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